Iran Tractor ITM 470, Operators Instruction Book

Page: 62 / 122

3
Tractor operation 55
Fig. 34:
3
1
2
Fig. 35:
To change the position of the draw-
bar:
1. Remove the four ‘R’ clips (1).
2. Remove the two limit pins (2).
3. Reposition the drawbar (3), see Table 4,
and refit the pins and ‘R’ clips, or leave
it free to swing. Store the pins and ‘R’
clips in the tool box when not in use.
Drawbar off-set when in the centre
hole (Fig. 35):
Position Drawbar off-set
A 120 mm (4.7 in)
B 240 mm (9.5 in)
Table 4:
Allow the drawbar to swing when pull-
ing ground engaging equipment which does
not require accurate positioning. This will
make steering and turning easier.
Fix the position of the drawbar when
pulling or transporting equipment which
requires accurate positioning.
NOTE
The lock-nuts securing the drawbar
frame to the underside of the tractor
must be kept tightened to a torque of
420 Nm (310 lbf ft). The lock-nuts se-
curing the drawbar frame to the PTO re-
tainer plate must be kept tightened to a
torque of 245 Nm (180 lbf ft).
FRONT—MOUNTED WEIGHT FRAME
(Fig. 36)
The front-mounted weight frame is
bolted to the front support casting.
A maximum of four 33 kg (73 lb)
weights can be fitted. A towing hitch hole
and pin are provided in the centre of the
frame.
Fig. 36: Front mounted weights.
Attaching the weights:
1. Hook the top of the weight over the
weight frame with the base of the
weight tilted outwards. Lower the
weight and put them on the frame.
2. Before attaching the bolts, oil the
threads of bolts.
3. Tight the bolts of bracket, behind